/*
 * @Description: 
 * @Author: Liu Kunpeng
 * @Date: 2021-07-11 14:04:43
 */
let Socket = ''
let setIntervalWesocketPush = null
let socketUrl = ''
let url = ''

if(process.env.NODE_ENV === "development"){
  url = 'ws://127.0.0.1:8880/scanning/uploadFile/communication/'
}else{
  url = 'ws://121.36.217.102:8880/scanning/uploadFile/communication/'
}
/**
 * 建立websocket连接
 * @param {string} url ws地址
 */
export const createSocket = (param) => {
  console.log('建立websocket连接....')
  socketUrl = url + param
  Socket = new WebSocket(socketUrl)
  Socket.onopen = onopenWS
  Socket.onmessage = onmessageWS
  Socket.onerror = onerrorWS
}

/**打开WS之后发送心跳 */
const onopenWS = () => {
  // sendPing()
  console.log('已连接');
}

/**连接失败重连 */
const onerrorWS = () => {
  Socket.close()
  clearInterval(setIntervalWesocketPush)
  console.log('连接失败重连中')
  if (Socket.readyState !== 3) {
    Socket = null
    createSocket()
  }
}

/**WS数据接收统一处理 */
const onmessageWS = e => {
  window.dispatchEvent(new CustomEvent('onmessageWS', {
    detail: {
      data: e.data
    }
  }))
}

/**
 * 发送数据但连接未建立时进行处理等待重发
 * @param {any} message 需要发送的数据
 */
const connecting = message => {
  setTimeout(() => {
    if (Socket.readyState === 0) {
      connecting(message)
    } else {
      Socket.send(JSON.stringify(message))
    }
  }, 1000)
}

/**
 * 发送数据
 * @param {any} message 需要发送的数据
 */
export const sendWSPush = message => {
  if (Socket !== null && Socket.readyState === 3) {
    Socket.close()
    createSocket()
  } else if (Socket.readyState === 1) {
    Socket.send(JSON.stringify(message))
  } else if (Socket.readyState === 0) {
    connecting(message)
  }
}

/**断开重连 */
// const oncloseWS = () => {
//   clearInterval(setIntervalWesocketPush)
//   console.log('websocket已断开....正在尝试重连')
//   if (Socket.readyState !== 2) {
//     Socket = null
//     createSocket()
//   }
// }

/**发送心跳
 * @param {number} time 心跳间隔毫秒 默认5000
 * @param {string} ping 心跳名称 默认字符串ping
 */

// export const sendPing = (time = 5000, ping = 'ping') => {
//   clearInterval(setIntervalWesocketPush)
//   Socket.send(ping)
//   setIntervalWesocketPush = setInterval(() => {
//     Socket.send(ping)
//   }, time)
// }